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China, Chinese Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pigment DyeDirect DyeDirect Brown NbDirect Brown SLDirect DyesDyetuff
Hangzhou Emperor Chemical Co., Ltd.
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Product Description Name:C.I.Direct Brown 44,C.I.35005Molecular Structure: Multi-azo class C.I.Direct Brown 44,C.I.35005,CAS 6252-62-6,758.7,C30H24N12Na2O6S2,Direct Brown NB,Direct Brown SL,Direct Brown 3GMolecular Formula:C30H24N12Na2O6S2Molecular Weight: 758.7CAS Registry Number:6252-62-6Manufacturing Methods :2 moles of nitrous acid treatment with 3 moles of Benzene-1,3-diamine dihydrochloride (This product may be based on the disazo dye mixture as the main ingredient, and commercial dyes are usually composed by a dihydrochloride). And its product (C.I. Basic Brown 1, C.I. 21000) as coupling component and diazotized 4-Aminobenzenesulfonic acid (2 mol) coupling Apply to the cellulose fibre paper printing and dyeing and color. StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWaterFadingStainFadingStainISO4522 2 AATCC3-4421-2 2-3 ONS PHOTOS:FACTORY PHOTOS:
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